Home / 3,457.34-5,184.87-1,377.86

Finding the Fourth Proportional to 3,457.34, 5,184.87 and 1,377.86

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Solution

The fourth proportional to 3,457.34, 5,184.87 and 1,377.86 is: 2,066.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457.34 : 5,184.87 = 1,377.86 : x
  2. Step 2: Convert to fraction form
    3,457.34/5,184.87 = 1,377.86/x
  3. Step 3: Cross multiply
    3,457.34x = 5,184.87 × 1,377.86
  4. Step 4: Simplify right side
    3,457.34x = 7,144,024.98
  5. Step 5: Solve for x
    x = 7,144,024.98/3,457.34
  6. Step 6: Final answer
    x = 2,066.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.